*{
    margin: 0;
    padding: 0;
    list-style: none;

}

.container{
    width: 500px;
    height: 300px;
    margin: 0 auto;
    position: relative;
}

.warpper{
    width: 500px;
    height: 300px;
    overflow: hidden;
    box-sizing: border-box;
    cursor: pointer;
}
.warpper ul{
    height: 100%;
    font-size: 0;
    display: flex;
}

ul li img{
    width: 500px;
    height:100%;
    object-fit: cover;
}


.per,.next{
    width: 50px;
    height: 300px;
    background-color: rgba(0, 0, 0, .5);
    color:#Fff;
    position: absolute;
    top: 0;
    line-height: 300px;
    text-align: center;
    display: none;
}

.next{
    right: 0;
}
.per{
    left: 0;
}
.print{
    width: 100%;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
   
    text-align: center;
    position: absolute;
    bottom: 0;

}
.print ul{
    display: flex;
}
.print ul li{
    width:20px;
    height: 2px;
    background-color: #fff;
    margin: 0 5px;
    cursor: pointer;
}
.print ul li.active{
    background-color: yellow;
}
